45403130 has 8 divisors (see below), whose sum is σ = 81725652. Its totient is φ = 18161248.

The previous prime is 45403109. The next prime is 45403147. The reversal of 45403130 is 3130454.

It can be written as a sum of positive squares in 2 ways, for example, as 43705321 + 1697809 = 6611^2 + 1303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45403130² = 4122888427593800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270147 + ... + 2270166.

Almost surely, 2^45403130 is an apocalyptic number.

45403130 is a deficient number, since it is larger than the sum of its proper divisors (36322522).

45403130 is a wasteful number, since it uses less digits than its factorization.

45403130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540320.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45403130 is about 6738.1844735804. The cubic root of 45403130 is about 356.7483154656.

Adding to 45403130 its reverse (3130454), we get a palindrome (48533584).

The spelling of 45403130 in words is "forty-five million, four hundred three thousand, one hundred thirty".